A 'game' in which more than 2, or many, male participants do 'the conga' connected via their anus/penis/fist/fingers/tongues/toes or sexual toys. Whichever is best.
-said to be a once-in-a-life-time experience

"Hey guys, Wanna do-tha conga bum!?"
- All straight men in the room- "ARE YOU A FUCKING ASS!?"
- All the gay men in the room- "AIGHT!!!"